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Last updated: February 19, 2026

Invoice Email: Send Invoice Again — Short, Formal, Friendly, Firm

Unpaid invoices disrupt cash flow, but a tactful resend can recover funds without straining client rapport. Explore tailored email templates for every communication style.

On this page

• Quick template (short)
• Formal version
• Friendly version
• Firm version
• Subject lines
• Tips
• FAQ
• Personalized generator

Quick Template (Short)

Copy

Hi [[NAME]], invoice [[REFERENCE]] remains unpaid. Kindly process payment soon. Best, [[YOUR_NAME]].

Formal Version

Copy

Dear [[NAME]], we are following up on invoice [[REFERENCE]], due on [date]. As it is outstanding, we request your immediate attention to settle this matter. Please contact us with any queries. Respectfully, [[YOUR_NAME]].

Friendly Version

Copy

Hey [[NAME]], hope all's well! Just circling back on invoice [[REFERENCE]]—it may have been overlooked. Whenever you get a chance, please sort it out. Thanks! [[YOUR_NAME]].

Firm Version

Copy

[[NAME]], invoice [[REFERENCE]] is [number] days overdue. Final notice: pay immediately to avoid a 2% late fee and collection proceedings. You have 24 hours to comply. [[YOUR_NAME]].

Subject Lines (Pick one)

• Reminder: Invoice [[REFERENCE]] Still Pending for [[NAME]]
• Action Required: Unpaid Invoice [[REFERENCE]] – Second Attempt
• Urgent Follow-up: Invoice [[REFERENCE]] Needs Payment

Tips

• Include the original invoice date and specific due date to reinforce urgency.
• Attach the original invoice PDF again for easy reference and payment.
• Address the client by name in the first sentence to personalize the request.

Related templates

More templates in the same category:

• Invoice Email: Send Invoice Again — Short, Formal, Friendly, Firm
• How to Write Invoice Email: Send Invoice Again (With Examples)
• Invoice Email: Overdue Invoice Reminder (Copy + Paste)
• Invoice Email: Overdue Invoice Reminder: Templates + Subject Lines
• Invoice Email: Send Invoice Again: Templates + Subject Lines

FAQ

Q: How soon after the due date should I resend an invoice?
A: Resend within 3-5 business days after the due date to maintain momentum.

Q: Is it appropriate to mention late fees in a resend email?
A: Yes, state late fees clearly but politely to justify the urgency and comply with terms.

Personalized Generator (Fill & Copy)

Fill in the fields to generate a ready-to-send invoice email. Example Invoice: Invoice #INV-7712.